209682760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 256

約数和(自身を含む): 622080000

約数和(自身を除く): 412397240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 31, 34, 35, 40, 49, 56, 58, 62, 68, 70, 85, 98, 116, 119, 124, 136, 140, 145, 155, 170, 196, 203, 217, 232, 238, 245, 248, 280, 290, 310, 340, 343, 392, 406, 434, 476, 490, 493, 527, 580, 595, 620, 680, 686, 812, 833, 868, 899, 952, 980, 986, 1015, 1054, 1085, 1160, 1190, 1240, 1372, 1421, 1519, 1624, 1666, 1715, 1736, 1798, 1960, 1972, 2030, 2108, 2170, 2380, 2465, 2635, 2744, 2842, 3038, 3332, 3430, 3451, 3596, 3689, 3944, 4060, 4165, 4216, 4340, 4495, 4760, 4930, 5270, 5684, 5831, 6076, 6293, 6664, 6860, 6902, 7105, 7192, 7378, 7595, 8120, 8330, 8680, 8990, 9860, 9947, 10540, 10633, 11368, 11662, 12152, 12586, 13720, 13804, 14210, 14756, 15190, 15283, 16660, 17255, 17980, 18445, 19720, 19894, 21080, 21266, 23324, 24157, 25172, 25823, 27608, 28420, 29155, 29512, 30380, 30566, 31465, 33320, 34510, 35960, 36890, 39788, 42532, 44051, 46648, 48314, 49735, 50344, 51646, 53165, 56840, 58310, 60760, 61132, 62930, 69020, 73780, 76415, 79576, 85064, 88102, 96628, 99470, 103292, 106330, 106981, 116620, 120785, 122264, 125860, 129115, 138040, 147560, 152830, 169099, 176204, 180761, 193256, 198940, 206584, 212660, 213962, 220255, 233240, 241570, 251720, 258230, 305660, 308357, 338198, 352408, 361522, 397880, 425320, 427924, 440510, 483140, 516460, 534905, 611320, 616714, 676396, 723044, 748867, 845495, 855848, 881020, 903805, 966280, 1032920, 1069810, 1233428, 1352792, 1446088, 1497734, 1541785, 1690990, 1762040, 1807610, 2139620, 2466856, 2995468, 3083570, 3381980, 3615220, 3744335, 4279240, 5242069, 5990936, 6167140, 6763960, 7230440, 7488670, 10484138, 12334280, 14977340, 20968276, 26210345, 29954680, 41936552, 52420690, 104841380, 209682760]

約数ペア:

[(1, 209682760), (2, 104841380), (4, 52420690), (5, 41936552), (7, 29954680), (8, 26210345), (10, 20968276), (14, 14977340), (17, 12334280), (20, 10484138), (28, 7488670), (29, 7230440), (31, 6763960), (34, 6167140), (35, 5990936), (40, 5242069), (49, 4279240), (56, 3744335), (58, 3615220), (62, 3381980), (68, 3083570), (70, 2995468), (85, 2466856), (98, 2139620), (116, 1807610), (119, 1762040), (124, 1690990), (136, 1541785), (140, 1497734), (145, 1446088), (155, 1352792), (170, 1233428), (196, 1069810), (203, 1032920), (217, 966280), (232, 903805), (238, 881020), (245, 855848), (248, 845495), (280, 748867), (290, 723044), (310, 676396), (340, 616714), (343, 611320), (392, 534905), (406, 516460), (434, 483140), (476, 440510), (490, 427924), (493, 425320), (527, 397880), (580, 361522), (595, 352408), (620, 338198), (680, 308357), (686, 305660), (812, 258230), (833, 251720), (868, 241570), (899, 233240), (952, 220255), (980, 213962), (986, 212660), (1015, 206584), (1054, 198940), (1085, 193256), (1160, 180761), (1190, 176204), (1240, 169099), (1372, 152830), (1421, 147560), (1519, 138040), (1624, 129115), (1666, 125860), (1715, 122264), (1736, 120785), (1798, 116620), (1960, 106981), (1972, 106330), (2030, 103292), (2108, 99470), (2170, 96628), (2380, 88102), (2465, 85064), (2635, 79576), (2744, 76415), (2842, 73780), (3038, 69020), (3332, 62930), (3430, 61132), (3451, 60760), (3596, 58310), (3689, 56840), (3944, 53165), (4060, 51646), (4165, 50344), (4216, 49735), (4340, 48314), (4495, 46648), (4760, 44051), (4930, 42532), (5270, 39788), (5684, 36890), (5831, 35960), (6076, 34510), (6293, 33320), (6664, 31465), (6860, 30566), (6902, 30380), (7105, 29512), (7192, 29155), (7378, 28420), (7595, 27608), (8120, 25823), (8330, 25172), (8680, 24157), (8990, 23324), (9860, 21266), (9947, 21080), (10540, 19894), (10633, 19720), (11368, 18445), (11662, 17980), (12152, 17255), (12586, 16660), (13720, 15283), (13804, 15190), (14210, 14756)]